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The Gemfan VORTEX 17x10R is a grey electric propeller with glass-fiber-reinforced nylon construction, CFD-optimised blades, an anti-slip hub and dynamic balancing. The page lists it as CW (reverse rotation).
Its diameter is 17 in and pitch is 10 in. The prop disk diameter is 20 mm, the centre thickness is 10.2 mm and the centre hole is 6.35 mm (0.25 in). The page showed 6 in stock.
Glass-fiber-reinforced nylon: for toughness and durability.
CFD-optimised blade profile: to improve airflow and thrust efficiency.
Frosted leading edge: listed on the page.
Anti-slip hub surface: listed on the page.
Precision dynamic balancing: to reduce vibration.
Adapters for 3, 3.17, 4, 5, 6 and 8 mm: shaft sizes.
A drone propeller converts motor torque into thrust. Each blade is an aerofoil: as the motor spins the prop, the blades push air downward and the reaction force lifts the aircraft. Diameter and pitch set how the prop behaves. A larger diameter moves more air and suits efficient, lower-RPM flight, while a higher pitch moves the aircraft forward faster per revolution but demands more current from the motor.
Multirotors use pairs of props that spin in opposite directions. Clockwise (CW) and counter-clockwise (CCW) props cancel out the torque reaction so the aircraft does not spin, and the flight controller changes individual motor speeds to steer. Always fit each prop on the motor that turns the matching direction, and check your flight controller motor-direction settings before the first flight.
Fit and balance matter. The hub hole or shaft size must match your motor shaft, and the prop should sit flat and tight with the retaining nut fully secured. Check every blade for chips, cracks and bends before each flight, because a damaged prop causes vibration that shows up as jello in the video and extra heat in the motor. Replace props after a hard crash instead of flying on a damaged set.
Keep a few spare sets in your kit. Props are the part most likely to break in a crash, and swapping a damaged one takes only a minute. When you replace a prop, replace it with the same size, pitch and blade count as the rest of the set so that all motors produce matching thrust.
Large multirotors and UAVs
Heavy-lift and endurance platforms
Electric propulsion test rigs
Replacing a matching Gemfan VORTEX prop
Custom builds that use a 6.35 mm centre hole with adapters
The centre hole is 6.35 mm (0.25 in) and the page lists adapters of 3 mm, 3.17 mm, 4 mm, 5 mm, 6 mm and 8 mm. Match the adapter to your motor shaft and check the motor direction before you fit the prop.
A prop of this size is heavy and spins fast, so balance it, tighten the hub securely and keep clear of the disk when the aircraft is powered.
Brand: Gemfan
Prop diameter: 17 in
Pitch: 10 in
Prop disk diameter: 20 mm
Center thickness: 10.2 mm
Center hole diameter: 6.35 mm / 0.25 in
Weight: 20.8 g
Product weight with packaging: 51.34 g
Color: Grey
Rotation: CW (reverse rotation)
Adapters: 3mm/3.17mm/4mm/5mm/6mm/8mm
1 x Gemfan VORTEX 17x10R propeller
Builders of larger multirotors who need a 17x10R glass-fiber nylon prop.
17 inches.
10 inches.
CW (reverse rotation).
Glass-fiber-reinforced nylon.
3 mm, 3.17 mm, 4 mm, 5 mm, 6 mm and 8 mm.
| Brand | Gemfan |
|---|---|
| Diameter | 17.000000 in |
| Material | Glass Fiber Nylon |
| Pitch | 10.000000 in |
| Weight | 20.800000 g |
| Selling unit | PCS |
